Blood flow chamber



FIG. 1 is a perspective view of a first embodiment of a blood flow chamber showing our new design;

FIG. 2 is a top elevation view of the blood flow chamber of FIG. 1;

FIG. 3 is a bottom elevation view of the blood flow chamber of FIG. 1;

FIG. 4 is a side elevation view of the blood flow chamber of FIG. 1;

FIG. 5 is one end elevation view of the blood flow chamber of FIG. 1;

FIG. 6 is another end elevation view of the blood flow chamber of FIG. 1;

FIG. 7 is a perspective view of a second embodiment of a blood flow chamber showing our new design;

FIG. 8 is a top elevation view of the blood flow chamber of FIG. 7;

FIG. 9 is a bottom elevation view of the blood flow chamber of FIG. 7;

FIG. 10 is a side elevation view of the blood flow chamber of FIG. 7;

FIG. 11 is one end elevation view of the blood flow chamber of FIG. 7; and,

FIG. 12 is another end elevation view of the blood flow chamber of FIG. 7.

The broken lines in the drawings illustrate portions of the blood flow chamber which form no part of the claimed design. 

CLAIM The ornamental design for a blood flow chamber, as shown and described. 